852 lines
28 KiB
C++
852 lines
28 KiB
C++
/*
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* Copyright (c) 2007, Digital Signal Processing Laboratory, Università degli studi di Perugia (UPG), Italy
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "OPJViewer.h"
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/* defines */
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#define SHORT_DESCR_LEN 32
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#define LONG_DESCR_LEN 256
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/* enumeration for file formats */
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#define J2FILENUM 4
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typedef enum {
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JP2_FILE,
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J2K_FILE,
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MJ2_FILE,
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UNK_FILE
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} j2filetype;
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/* enumeration for the box types */
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#define J2BOXNUM 23
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typedef enum {
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FILE_BOX,
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JP_BOX,
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FTYP_BOX,
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JP2H_BOX,
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IHDR_BOX,
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COLR_BOX,
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JP2C_BOX,
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JP2I_BOX,
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XML_BOX,
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UUID_BOX,
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UINF_BOX,
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MOOV_BOX,
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MVHD_BOX,
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TRAK_BOX,
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TKHD_BOX,
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MDIA_BOX,
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MINF_BOX,
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STBL_BOX,
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STSD_BOX,
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MJP2_BOX,
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MDAT_BOX,
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ANY_BOX,
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UNK_BOX
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} j2boxtype;
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/* the box structure itself */
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struct boxdef {
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char value[5]; /* hexadecimal value/string*/
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char name[SHORT_DESCR_LEN]; /* short description */
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char descr[LONG_DESCR_LEN]; /* long description */
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int sbox; /* is it a superbox? */
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int req[J2FILENUM]; /* mandatory box */
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j2boxtype ins; /* contained in box... */
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};
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/* the possible boxes */
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struct boxdef j2box[];
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/* macro functions */
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/* From little endian to big endian, 2 and 4 bytes */
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#define BYTE_SWAP2(X) ((X & 0x00FF) << 8) | ((X & 0xFF00) >> 8)
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#define BYTE_SWAP4(X) ((X & 0x000000FF) << 24) | ((X & 0x0000FF00) << 8) | ((X & 0x00FF0000) >> 8) | ((X & 0xFF000000) >> 24)
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#define BYTE_SWAP8(X) (((X & 0x00000000000000FF) << 56) | ((X & 0x000000000000FF00) << 40) | \
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((X & 0x0000000000FF0000) << 24) | ((X & 0x00000000FF000000) << 8) | \
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((X & 0x000000FF00000000) >> 8) | ((X & 0x0000FF0000000000) >> 24) | \
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((X & 0x00FF000000000000) >> 40) | ((X & 0xFF00000000000000) >> 56))
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/* From codestream to int values */
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#define STREAM_TO_UINT32(C, P) (((unsigned long int) (C)[(P) + 0] << 24) + \
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((unsigned long int) (C)[(P) + 1] << 16) + \
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((unsigned long int) (C)[(P) + 2] << 8) + \
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((unsigned long int) (C)[(P) + 3] << 0))
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#define STREAM_TO_UINT16(C, P) (((unsigned long int) (C)[(P) + 0] << 8) + \
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((unsigned long int) (C)[(P) + 1] << 0))
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#define OPJREAD_LONG(F,L,N) { \
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if (F->Read(fourbytes, 4) < 4) { \
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wxLogMessage(wxT("Problem reading " N " from the file (file ended?)")); \
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return -1; \
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}; \
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L = STREAM_TO_UINT32(fourbytes, 0); \
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}
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/* handling functions */
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#define ITEM_PER_ROW 10
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//#define indprint if (0) printf("%.*s", 2 * level + 9, indent), printf
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char indent[] = " "
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" "
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" "
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" ";
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void indprint(wxString printout, int level)
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{
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wxLogMessage(/*wxString::Format(wxT("%.*s"), 2 * level + 9, indent) + */printout);
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}
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/* Box handler function */
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int OPJParseThread::box_handler_function(int boxtype, wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit,
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wxTreeItemId parentid, int level, char *scansign, unsigned long int *scanpoint)
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{
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switch ((j2boxtype) boxtype) {
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/* JPEG 2000 Signature box */
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case (JP_BOX): {
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unsigned long int checkdata = 0;
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fileid->Read(&checkdata, sizeof(unsigned long int));
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checkdata = BYTE_SWAP4(checkdata);
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// add info
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wxTreeItemId currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Check data: %X -> %s"), checkdata, (checkdata == 0x0D0A870A) ? wxT("OK") : wxT("KO")),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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};
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break;
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/* JPEG 2000 codestream box */
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case (JP2C_BOX): {
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// add info
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wxTreeItemId currid = m_tree->AppendItem(parentid,
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wxString(wxT("Codestream")),
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m_tree->TreeCtrlIcon_Folder, m_tree->TreeCtrlIcon_Folder + 1,
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new OPJMarkerData(wxT("INFO-CSTREAM"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
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);
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m_tree->SetItemHasChildren(currid);
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// parse the file
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//ParseJ2KFile(fileid, filepoint, filelimit, currid);
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};
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break;
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/* File Type box */
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case (FTYP_BOX): {
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char BR[4], CL[4];
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unsigned long int MinV, numCL, i;
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fileid->Read(BR, sizeof(char) * 4);
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fileid->Read(&MinV, sizeof(unsigned long int));
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MinV = BYTE_SWAP4(MinV);
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numCL = (filelimit - fileid->Tell()) / 4;
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// add info
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wxTreeItemId currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Brand/Minor version: %.4s/%d"), BR, MinV),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Compatibility list")),
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m_tree->TreeCtrlIcon_Folder, m_tree->TreeCtrlIcon_Folder + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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for (i = 0; i < numCL; i++) {
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fileid->Read(CL, sizeof(char) * 4);
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m_tree->AppendItem(currid,
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wxString::Format(wxT("%.4s"), CL),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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};
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};
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break;
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/* JP2 Header box */
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case (IHDR_BOX): {
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unsigned long int height, width;
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unsigned short int nc;
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unsigned char bpc, C, UnkC, IPR;
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fileid->Read(&height, sizeof(unsigned long int));
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height = BYTE_SWAP4(height);
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fileid->Read(&width, sizeof(unsigned long int));
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width = BYTE_SWAP4(width);
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fileid->Read(&nc, sizeof(unsigned short int));
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nc = BYTE_SWAP2(nc);
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fileid->Read(&bpc, sizeof(unsigned char));
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fileid->Read(&C, sizeof(unsigned char));
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fileid->Read(&UnkC, sizeof(unsigned char));
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fileid->Read(&IPR, sizeof(unsigned char));
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// add info
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wxTreeItemId currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Dimensions: %d x %d x %d @ %d bpc"), width, height, nc, bpc + 1),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Compression type: %d"), C),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Colourspace unknown: %d"), UnkC),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Intellectual Property Rights: %d"), IPR),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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};
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break;
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/* Colour Specification box */
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case (COLR_BOX): {
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unsigned char METH, PREC, APPROX;
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char methdescr[80], enumcsdescr[80];
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unsigned long int EnumCS;
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fileid->Read(&METH, sizeof(unsigned char));
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switch (METH) {
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case 1:
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strcpy(methdescr, "Enumerated Colourspace");
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break;
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case 2:
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strcpy(methdescr, "Restricted ICC profile");
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break;
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default:
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strcpy(methdescr, "Unknown");
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break;
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};
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fileid->Read(&PREC, sizeof(unsigned char));
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fileid->Read(&APPROX, sizeof(unsigned char));
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if (METH != 2) {
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fileid->Read(&EnumCS, sizeof(unsigned long int));
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EnumCS = BYTE_SWAP4(EnumCS);
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switch (EnumCS) {
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case 16:
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strcpy(enumcsdescr, "sRGB");
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break;
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case 17:
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strcpy(enumcsdescr, "greyscale");
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break;
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case 18:
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strcpy(enumcsdescr, "sYCC");
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break;
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default:
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strcpy(enumcsdescr, "Unknown");
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break;
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};
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};
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// add info
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wxTreeItemId currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Specification method: %d (%s)"), METH, methdescr),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Precedence: %d"), PREC),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Colourspace approximation: %d"), APPROX),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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if (METH != 2)
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Enumerated colourspace: %d (%s)"), EnumCS, enumcsdescr),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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if (METH != 1)
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currid = m_tree->AppendItem(parentid,
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wxString::Format("ICC profile: there is one"),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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};
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break;
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/* Movie Header Box */
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case (MVHD_BOX): {
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unsigned long int version, rate, matrix[9], next_track_ID;
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unsigned short int volume;
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fileid->Read(&version, sizeof(unsigned long int));
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version = BYTE_SWAP4(version);
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if (version == 0) {
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unsigned long int creation_time, modification_time, timescale, duration;
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fileid->Read(&creation_time, sizeof(unsigned long int));
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creation_time = BYTE_SWAP4(creation_time);
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fileid->Read(&modification_time, sizeof(unsigned long int));
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modification_time = BYTE_SWAP4(modification_time);
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fileid->Read(×cale, sizeof(unsigned long int));
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timescale = BYTE_SWAP4(timescale);
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fileid->Read(&duration, sizeof(unsigned long int));
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duration = BYTE_SWAP4(duration);
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const long unix_time = creation_time - 2082844800L;
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wxTreeItemId currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Creation time: %u (%.24s)"), creation_time, ctime(&unix_time)),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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const long unix_time1 = modification_time - 2082844800L;
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Modification time: %u (%.24s)"), modification_time, ctime(&unix_time1)),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Timescale: %u (%.6fs)"), timescale, 1.0 / (float) timescale),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Duration: %u (%.3fs)"), duration, (float) duration / (float) timescale),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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} else {
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unsigned __int64 creation_time, modification_time, duration;
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unsigned long int timescale;
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fileid->Read(&creation_time, sizeof(unsigned __int64));
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creation_time = BYTE_SWAP8(creation_time);
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fileid->Read(&modification_time, sizeof(unsigned __int64));
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modification_time = BYTE_SWAP8(modification_time);
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fileid->Read(×cale, sizeof(unsigned long int));
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timescale = BYTE_SWAP4(timescale);
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fileid->Read(&duration, sizeof(unsigned __int64));
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duration = BYTE_SWAP8(duration);
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wxTreeItemId currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Creation time: %u"), creation_time),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Modification time: %u"), modification_time),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Timescale: %u"), timescale),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Duration: %u"), duration),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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};
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fileid->Read(&rate, sizeof(unsigned long int));
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rate = BYTE_SWAP4(rate);
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fileid->Read(&volume, sizeof(unsigned short int));
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volume = BYTE_SWAP2(volume);
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fileid->Seek(6, wxFromCurrent);
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fileid->Read(&matrix, sizeof(unsigned char) * 9);
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fileid->Seek(4, wxFromCurrent);
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fileid->Read(&next_track_ID, sizeof(unsigned long int));
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next_track_ID = BYTE_SWAP4(next_track_ID);
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wxTreeItemId currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Rate: %d (%d.%d)"), rate, rate >> 16, rate & 0x0000FFFF),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Volume: %d (%d.%d)"), volume, volume >> 8, volume & 0x00FF),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Next track ID: %d"), next_track_ID),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"))
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);
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};
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break;
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/* Sample Description box */
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case (STSD_BOX): {
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unsigned long int version, entry_count;
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fileid->Read(&version, sizeof(unsigned long int));
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version = BYTE_SWAP4(version);
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fileid->Read(&entry_count, sizeof(unsigned long int));
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entry_count = BYTE_SWAP4(entry_count);
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wxTreeItemId currid = m_tree->AppendItem(parentid,
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wxString::Format(wxT("Entry count: %d"), entry_count),
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m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
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new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
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);
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jpeg2000parse(fileid, filepoint + 8, filelimit, parentid, level + 1, scansign, scanpoint);
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};
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break;
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/* MJP2 Sample Description box */
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case (MJP2_BOX): {
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unsigned short int height, width, depth;
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unsigned long int horizresolution, vertresolution;
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char compressor_name[32];
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fileid->Seek(24, wxFromCurrent);
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fileid->Read(&width, sizeof(unsigned short int));
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width = BYTE_SWAP2(width);
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fileid->Read(&height, sizeof(unsigned short int));
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height = BYTE_SWAP2(height);
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fileid->Read(&horizresolution, sizeof(unsigned long int));
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horizresolution = BYTE_SWAP4(horizresolution);
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|
fileid->Read(&vertresolution, sizeof(unsigned long int));
|
|
vertresolution = BYTE_SWAP4(vertresolution);
|
|
fileid->Seek(6, wxFromCurrent);
|
|
fileid->Read(compressor_name, sizeof(char) * 32);
|
|
fileid->Read(&depth, sizeof(unsigned short int));
|
|
depth = BYTE_SWAP2(depth);
|
|
wxTreeItemId currid = m_tree->AppendItem(parentid,
|
|
wxString::Format(wxT("Dimensions: %d x %d @ %d bpp"), width, height, depth),
|
|
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
|
|
new OPJMarkerData(wxT("INFO"), m_tree->m_fname.GetFullPath(), filepoint, filelimit)
|
|
);
|
|
currid = m_tree->AppendItem(parentid,
|
|
wxString::Format(wxT("Resolution: %d.%d x %d.%d"), horizresolution >> 16, horizresolution & 0x0000FFFF,
|
|
vertresolution >> 16, vertresolution & 0x0000FFFF),
|
|
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
|
|
new OPJMarkerData(wxT("INFO"))
|
|
);
|
|
currid = m_tree->AppendItem(parentid,
|
|
wxString::Format(wxT("Compressor: %.32s"), compressor_name),
|
|
m_tree->TreeCtrlIcon_File, m_tree->TreeCtrlIcon_File + 1,
|
|
new OPJMarkerData(wxT("INFO"))
|
|
);
|
|
jpeg2000parse(fileid, filepoint + 78, filelimit, parentid, level + 1, scansign, scanpoint);
|
|
|
|
};
|
|
break;
|
|
|
|
|
|
/* not yet implemented */
|
|
default:
|
|
break;
|
|
|
|
|
|
|
|
};
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* jp2 family box signatures */
|
|
#define FILE_SIGN ""
|
|
#define JP_SIGN "jP\040\040"
|
|
#define FTYP_SIGN "ftyp"
|
|
#define JP2H_SIGN "jp2h"
|
|
#define IHDR_SIGN "ihdr"
|
|
#define COLR_SIGN "colr"
|
|
#define JP2C_SIGN "jp2c"
|
|
#define JP2I_SIGN "jp2i"
|
|
#define XML_SIGN "xml\040"
|
|
#define UUID_SIGN "uuid"
|
|
#define UINF_SIGN "uinf"
|
|
#define MOOV_SIGN "moov"
|
|
#define MVHD_SIGN "mvhd"
|
|
#define TRAK_SIGN "trak"
|
|
#define TKHD_SIGN "tkhd"
|
|
#define MDIA_SIGN "mdia"
|
|
#define MINF_SIGN "minf"
|
|
#define STBL_SIGN "stbl"
|
|
#define STSD_SIGN "stsd"
|
|
#define MJP2_SIGN "mjp2"
|
|
#define MDAT_SIGN "mdat"
|
|
#define ANY_SIGN ""
|
|
#define UNK_SIGN ""
|
|
|
|
/* the possible boxes */
|
|
struct boxdef j2box[] =
|
|
{
|
|
/* sign */ {FILE_SIGN,
|
|
/* short */ "placeholder for nothing",
|
|
/* long */ "Nothing to say",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {JP_SIGN,
|
|
/* short */ "JPEG 2000 Signature box",
|
|
/* long */ "This box uniquely identifies the file as being part of the JPEG 2000 family of files",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {FTYP_SIGN,
|
|
/* short */ "File Type box",
|
|
/* long */ "This box specifies file type, version and compatibility information, including specifying if this file "
|
|
"is a conforming JP2 file or if it can be read by a conforming JP2 reader",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {JP2H_SIGN,
|
|
/* short */ "JP2 Header box",
|
|
/* long */ "This box contains a series of boxes that contain header-type information about the file",
|
|
/* sbox */ 1,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {IHDR_SIGN,
|
|
/* short */ "Image Header box",
|
|
/* long */ "This box specifies the size of the image and other related fields",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ JP2H_BOX},
|
|
|
|
/* sign */ {COLR_SIGN,
|
|
/* short */ "Colour Specification box",
|
|
/* long */ "This box specifies the colourspace of the image",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ JP2H_BOX},
|
|
|
|
/* sign */ {JP2C_SIGN,
|
|
/* short */ "Contiguous Codestream box",
|
|
/* long */ "This box contains the codestream as defined by Annex A",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {JP2I_SIGN,
|
|
/* short */ "Intellectual Property box",
|
|
/* long */ "This box contains intellectual property information about the image",
|
|
/* sbox */ 0,
|
|
/* req */ {0, 0, 0},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {XML_SIGN,
|
|
/* short */ "XML box",
|
|
/* long */ "This box provides a tool by which vendors can add XML formatted information to a JP2 file",
|
|
/* sbox */ 0,
|
|
/* req */ {0, 0, 0},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {UUID_SIGN,
|
|
/* short */ "UUID box",
|
|
/* long */ "This box provides a tool by which vendors can add additional information to a file "
|
|
"without risking conflict with other vendors",
|
|
/* sbox */ 0,
|
|
/* req */ {0, 0, 0},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {UINF_SIGN,
|
|
/* short */ "UUID Info box",
|
|
/* long */ "This box provides a tool by which a vendor may provide access to additional information associated with a UUID",
|
|
/* sbox */ 0,
|
|
/* req */ {0, 0, 0},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {MOOV_SIGN,
|
|
/* short */ "Movie box",
|
|
/* long */ "This box contains the media data. In video tracks, this box would contain JPEG2000 video frames",
|
|
/* sbox */ 1,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {MVHD_SIGN,
|
|
/* short */ "Movie Header box",
|
|
/* long */ "This box defines overall information which is media-independent, and relevant to the entire presentation "
|
|
"considered as a whole",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ MOOV_BOX},
|
|
|
|
/* sign */ {TRAK_SIGN,
|
|
/* short */ "Track box",
|
|
/* long */ "This is a container box for a single track of a presentation. A presentation may consist of one or more tracks",
|
|
/* sbox */ 1,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ MOOV_BOX},
|
|
|
|
/* sign */ {TKHD_SIGN,
|
|
/* short */ "Track Header box",
|
|
/* long */ "This box specifies the characteristics of a single track. Exactly one Track Header Box is contained in a track",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ TRAK_BOX},
|
|
|
|
/* sign */ {MDIA_SIGN,
|
|
/* short */ "Media box",
|
|
/* long */ "The media declaration container contains all the objects which declare information about the media data "
|
|
"within a track",
|
|
/* sbox */ 1,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ TRAK_BOX},
|
|
|
|
/* sign */ {MINF_SIGN,
|
|
/* short */ "Media Information box",
|
|
/* long */ "This box contains all the objects which declare characteristic information of the media in the track",
|
|
/* sbox */ 1,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ MDIA_BOX},
|
|
|
|
/* sign */ {STBL_SIGN,
|
|
/* short */ "Sample Table box",
|
|
/* long */ "The sample table contains all the time and data indexing of the media samples in a track",
|
|
/* sbox */ 1,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ MINF_BOX},
|
|
|
|
/* sign */ {STSD_SIGN,
|
|
/* short */ "Sample Description box",
|
|
/* long */ "The sample description table gives detailed information about the coding type used, and any initialization "
|
|
"information needed for that coding",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ MINF_BOX},
|
|
|
|
/* sign */ {MJP2_SIGN,
|
|
/* short */ "MJP2 Sample Description box",
|
|
/* long */ "The MJP2 sample description table gives detailed information about the coding type used, and any initialization "
|
|
"information needed for that coding",
|
|
/* sbox */ 0,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ MINF_BOX},
|
|
|
|
/* sign */ {MDAT_SIGN,
|
|
/* short */ "Media Data box",
|
|
/* long */ "The meta-data for a presentation is stored in the single Movie Box which occurs at the top-level of a file",
|
|
/* sbox */ 1,
|
|
/* req */ {1, 1, 1},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {ANY_SIGN,
|
|
/* short */ "Any box",
|
|
/* long */ "All the existing boxes",
|
|
/* sbox */ 0,
|
|
/* req */ {0, 0, 0},
|
|
/* ins */ FILE_BOX},
|
|
|
|
/* sign */ {UNK_SIGN,
|
|
/* short */ "Unknown Type box",
|
|
/* long */ "The signature is not recognised to be that of an existing box",
|
|
/* sbox */ 0,
|
|
/* req */ {0, 0, 0},
|
|
/* ins */ ANY_BOX}
|
|
|
|
};
|
|
|
|
void OPJParseThread::ParseJP2File(wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit, wxTreeItemId parentid)
|
|
{
|
|
unsigned long int scanpoint;
|
|
|
|
jpeg2000parse(fileid, filepoint, filelimit, parentid, 0, NULL, &scanpoint);
|
|
}
|
|
|
|
/* the parsing function itself */
|
|
/*
|
|
fileid = fid of the file to scan (you should open it by yourself)
|
|
filepoint = first byte where to start to scan from (usually 0)
|
|
filelimit = first byte where to stop to scan from (usually the file size)
|
|
level = set this to 0
|
|
scansign = signature to scan for (NULL avoids search, returns " " if successful)
|
|
scanpoint = point where the scan signature lies
|
|
*/
|
|
int OPJParseThread::jpeg2000parse(wxFile *fileid, wxFileOffset filepoint, wxFileOffset filelimit,
|
|
wxTreeItemId parentid, int level, char *scansign, unsigned long int *scanpoint)
|
|
{
|
|
unsigned long int LBox = 0x00000000;
|
|
int LBox_read;
|
|
char TBox[5] = "\0\0\0\0";
|
|
int TBox_read;
|
|
__int64 XLBox = 0x0000000000000000;
|
|
int XLBox_read;
|
|
unsigned long int box_length = 0;
|
|
int last_box = 0, box_num = 0;
|
|
int box_type = ANY_BOX;
|
|
unsigned char onebyte[1], twobytes[2], fourbytes[4];
|
|
|
|
/* cycle all over the file */
|
|
box_num = 0;
|
|
last_box = 0;
|
|
while (!last_box) {
|
|
|
|
/* do not exceed file limit */
|
|
if (filepoint >= filelimit)
|
|
return (0);
|
|
|
|
/* seek on file */
|
|
if (fileid->Seek(filepoint, wxFromStart) == wxInvalidOffset)
|
|
return (-1);
|
|
|
|
/* read the mandatory LBox, 4 bytes */
|
|
if (fileid->Read(fourbytes, 4) < 4) {
|
|
WriteText(wxT("Problem reading LBox from the file (file ended?)"));
|
|
return -1;
|
|
};
|
|
LBox = STREAM_TO_UINT32(fourbytes, 0);
|
|
|
|
/* read the mandatory TBox, 4 bytes */
|
|
if (fileid->Read(TBox, 4) < 4) {
|
|
WriteText(wxT("Problem reading TBox from the file (file ended?)"));
|
|
return -1;
|
|
};
|
|
|
|
/* look if scansign is got */
|
|
if ((scansign != NULL) && (memcmp(TBox, scansign, 4) == 0)) {
|
|
memcpy(scansign, " ", 4);
|
|
*scanpoint = filepoint;
|
|
|
|
/* hack/exploit */
|
|
// stop as soon as you find the codebox
|
|
return (0);
|
|
|
|
};
|
|
|
|
/* determine the box type */
|
|
for (box_type = JP_BOX; box_type < UNK_BOX; box_type++)
|
|
if (memcmp(TBox, j2box[box_type].value, 4) == 0)
|
|
break;
|
|
|
|
/* read the optional XLBox, 8 bytes */
|
|
if (LBox == 1) {
|
|
|
|
if (fileid->Read(&XLBox, 8) < 8) {
|
|
WriteText(wxT("Problem reading XLBox from the file (file ended?)"));
|
|
return -1;
|
|
};
|
|
box_length = (unsigned long int) BYTE_SWAP8(XLBox);
|
|
|
|
} else if (LBox == 0x00000000) {
|
|
|
|
/* last box in file */
|
|
last_box = 1;
|
|
box_length = filelimit - filepoint;
|
|
|
|
} else
|
|
|
|
box_length = LBox;
|
|
|
|
/* show box info */
|
|
|
|
// append the marker
|
|
int image, imageSel;
|
|
image = m_tree->TreeCtrlIcon_Folder;
|
|
imageSel = image + 1;
|
|
wxTreeItemId currid = m_tree->AppendItem(parentid,
|
|
wxString::Format(wxT("%03d: %s (0x%04X)"), box_num, TBox,
|
|
((unsigned long int) TBox[3]) + ((unsigned long int) TBox[2] << 8) +
|
|
((unsigned long int) TBox[1] << 16) + ((unsigned long int) TBox[0] << 24)
|
|
),
|
|
image, imageSel,
|
|
new OPJMarkerData(wxT("BOX"), m_tree->m_fname.GetFullPath(), filepoint, filepoint + box_length)
|
|
);
|
|
|
|
// append some info
|
|
image = m_tree->TreeCtrlIcon_File;
|
|
imageSel = image + 1;
|
|
|
|
// box name
|
|
wxTreeItemId subcurrid1 = m_tree->AppendItem(currid,
|
|
wxT("*** ") + wxString(j2box[box_type].name) + wxT(" ***"),
|
|
image, imageSel,
|
|
new OPJMarkerData(wxT("INFO"))
|
|
);
|
|
m_tree->SetItemFont(subcurrid1, *wxITALIC_FONT);
|
|
|
|
// position and length
|
|
wxTreeItemId subcurrid2 = m_tree->AppendItem(currid,
|
|
wxLongLong(filepoint).ToString() + wxT(" > ") + wxLongLong(filepoint + box_length - 1).ToString() +
|
|
wxT(", ") + wxString::Format(wxT("%d + 8 (%d)"), box_length, box_length + 8),
|
|
image, imageSel,
|
|
new OPJMarkerData(wxT("INFO"))
|
|
);
|
|
|
|
/* go deep in the box */
|
|
box_handler_function((int) box_type, fileid, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length,
|
|
currid, level, scansign, scanpoint);
|
|
|
|
/* if it's a superbox go inside it */
|
|
if (j2box[box_type].sbox)
|
|
jpeg2000parse(fileid, (LBox == 1) ? (filepoint + 16) : (filepoint + 8), filepoint + box_length,
|
|
currid, level + 1, scansign, scanpoint);
|
|
|
|
/* increment box number and filepoint*/
|
|
box_num++;
|
|
filepoint += box_length;
|
|
|
|
};
|
|
|
|
/* all good */
|
|
return (0);
|
|
}
|
|
|